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More research is needed to understand the economics of long-duration and seasonal storage technologies to make sure they can play a role in decarbonizing the electric grid, according to a new article published in the journal Nature Energy.
The article, written by National Renewable Energy Laboratory (NREL) research engineer Omar J. Guerra, builds on a previous study that looked at the cost-effectiveness of deploying long-duration energy storage (LDES) in conjunction with renewable energy to decarbonize the grid. That study, published in March in Nature Energy, found that LDES storage costs and discharge efficiency need to improve in order to displace nuclear power or natural gas power plants as sources of grid reliability.
Although there are “promising opportunities” for LDES, Guerra writes, “comprehensive modeling of multi-scale energy storage technologies remains a major challenge towards achieving complete understanding of the value of storage technologies in achieving carbon-free or high renewable power systems.”